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authorTejun Heo <tj@kernel.org>2010-12-17 15:16:46 +0100
committerTejun Heo <tj@kernel.org>2010-12-17 15:16:46 +0100
commit275c8b93288ef0c2281e414e069ea8ed4bad03f7 (patch)
treedf906ef901d7719d66944921c7436f5db718dc2f /mm/mmap.c
parent909ea96468096b07fbb41aaf69be060d92bd9271 (diff)
parent8f1d97c79eb65de1d05799d6b81d79cd94169114 (diff)
Merge branch 'this_cpu_ops' into for-2.6.38
Diffstat (limited to 'mm/mmap.c')
-rw-r--r--mm/mmap.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index b179abb1474..50a4aa0255a 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2462,6 +2462,7 @@ int install_special_mapping(struct mm_struct *mm,
unsigned long addr, unsigned long len,
unsigned long vm_flags, struct page **pages)
{
+ int ret;
struct vm_area_struct *vma;
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
@@ -2479,16 +2480,23 @@ int install_special_mapping(struct mm_struct *mm,
vma->vm_ops = &special_mapping_vmops;
vma->vm_private_data = pages;
- if (unlikely(insert_vm_struct(mm, vma))) {
- kmem_cache_free(vm_area_cachep, vma);
- return -ENOMEM;
- }
+ ret = security_file_mmap(NULL, 0, 0, 0, vma->vm_start, 1);
+ if (ret)
+ goto out;
+
+ ret = insert_vm_struct(mm, vma);
+ if (ret)
+ goto out;
mm->total_vm += len >> PAGE_SHIFT;
perf_event_mmap(vma);
return 0;
+
+out:
+ kmem_cache_free(vm_area_cachep, vma);
+ return ret;
}
static DEFINE_MUTEX(mm_all_locks_mutex);